{"id":17202,"date":"2020-11-23T17:13:12","date_gmt":"2020-11-23T16:13:12","guid":{"rendered":"https:\/\/www.acciaiterni.it\/420-a-j2\/"},"modified":"2021-09-20T09:18:27","modified_gmt":"2021-09-20T07:18:27","slug":"420-a-j2","status":"publish","type":"page","link":"https:\/\/www.acciaiterni.it\/en\/420-a-j2\/","title":{"rendered":"420-A-J2"},"content":{"rendered":"<div id='layer_slider_1'  class='avia-layerslider main_color avia-shadow  avia-builder-el-0  el_before_av_layerslider  avia-builder-el-first  container_wrap sidebar_right'  style='height: 111px; max-width: 1500px; margin: 0 auto;'  ><\/div>\n<div id='layer_slider_2'  class='avia-layerslider main_color avia-shadow  avia-builder-el-1  el_after_av_layerslider  el_before_av_layerslider  slider-not-first container_wrap sidebar_right'  style='height: 121px; max-width: 700px; margin: 0 auto;'  ><\/div>\n<div id='layer_slider_3'  class='avia-layerslider main_color avia-shadow  avia-builder-el-2  el_after_av_layerslider  el_before_av_layerslider  slider-not-first container_wrap sidebar_right'  style='height: 1081px; max-width: 1920px; margin: 0 auto;'  ><\/div>\n<div id='layer_slider_4'  class='avia-layerslider main_color avia-shadow  avia-builder-el-3  el_after_av_layerslider  el_before_av_hr  slider-not-first container_wrap sidebar_right'  style='height: 372px; max-width: 1500px; margin: 0 auto;'  ><\/div><div id='after_layer_slider_4'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-17202'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ke2juafd-3151195d6d3200dbf4d2c1d8bde6aebc\">\n#top .hr.hr-invisible.av-ke2juafd-3151195d6d3200dbf4d2c1d8bde6aebc{\nmargin-top:-10px;\nheight:1px;\n}\n<\/style>\n<div  class='hr av-ke2juafd-3151195d6d3200dbf4d2c1d8bde6aebc hr-invisible  avia-builder-el-4  el_after_av_layerslider  el_before_av_textblock  avia-builder-el-first  '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '  style='font-size:18px; '  itemprop=\"text\" ><p>Thanks to the expertise of its team of engineers and researchers, Acciai Speciali Terni has developed <strong>martensitic grades<\/strong> for a wide and diverse range of applications requiring enhanced hardness and optimal wear resistance: from cutlery to cutting tools, from industrial machinery blades to surgical instruments, from manual equipment to stainless tools, and from valves to disk brakes.<\/p>\n<p>Our martensitic stainless steel grades \u2013 <strong>420A<\/strong> (EN 1.4021), <strong>420J2<\/strong> (EN 1.4028) and <strong>420<\/strong> (EN 1.4034) \u2013 feature a high level of carbon content and are subject to heat treatments, such as tempering and quenching, that allow them to offer <strong>excellent hardness and wear resistance.<\/strong><\/p>\n<p>The three grades have different levels of carbon content:<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ke2itu9h-3b0c25c93e299d144f18199dca684d99\">\n.avia-image-container.av-ke2itu9h-3b0c25c93e299d144f18199dca684d99 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-ke2itu9h-3b0c25c93e299d144f18199dca684d99 av-styling- avia-align-center  avia-builder-el-6  el_after_av_textblock  el_before_av_textblock  '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" class='wp-image-17432 avia-img-lazy-loading-not-17432 avia_image' src=\"https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box.jpg\" alt='' title='Text box'  height=\"129\" width=\"1680\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box.jpg 1680w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box-300x23.jpg 300w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box-1030x79.jpg 1030w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box-768x59.jpg 768w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box-1536x118.jpg 1536w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box-1500x115.jpg 1500w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box-705x54.jpg 705w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/Text-box-450x35.jpg 450w\" sizes=\"(max-width: 1680px) 100vw, 1680px\" \/><\/div><\/div><\/div>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '  style='font-size:12px; '  itemprop=\"text\" ><p>*average carbon content<\/p>\n<\/div><\/section>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '  style='font-size:18px; '  itemprop=\"text\" ><p>With appropriate heat treatments, higher carbon content allows us to achieve increased hardness levels. The ideal hardness depends on the specific application steel is intended for.<\/p>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ke2juafd-b1ab17f0ee2f1478d8b6966055c09d4f\">\n#top .hr.hr-invisible.av-ke2juafd-b1ab17f0ee2f1478d8b6966055c09d4f{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-ke2juafd-b1ab17f0ee2f1478d8b6966055c09d4f hr-invisible  avia-builder-el-9  el_after_av_textblock  el_before_av_image  '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ke2itu9h-39a994c5a74704708ec96513f6b03349\">\n.avia-image-container.av-ke2itu9h-39a994c5a74704708ec96513f6b03349 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-ke2itu9h-39a994c5a74704708ec96513f6b03349 av-styling- avia-align-center  avia-builder-el-10  el_after_av_hr  el_before_av_hr  '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" class='wp-image-17212 avia-img-lazy-loading-not-17212 avia_image' src=\"https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo.jpg\" alt='' title='Keyvisual x testo'  height=\"646\" width=\"1679\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo.jpg 1679w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo-300x115.jpg 300w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo-1030x396.jpg 1030w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo-768x295.jpg 768w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo-1536x591.jpg 1536w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo-1500x577.jpg 1500w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo-705x271.jpg 705w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/Keyvisual-x-testo-450x173.jpg 450w\" sizes=\"(max-width: 1679px) 100vw, 1679px\" \/><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ke2juafd-b1ab17f0ee2f1478d8b6966055c09d4f\">\n#top .hr.hr-invisible.av-ke2juafd-b1ab17f0ee2f1478d8b6966055c09d4f{\nheight:30px;\n}\n<\/style>\n<div  class='hr av-ke2juafd-b1ab17f0ee2f1478d8b6966055c09d4f hr-invisible  avia-builder-el-11  el_after_av_image  el_before_av_textblock  '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '  style='font-size:18px; '  itemprop=\"text\" ><p>Material supplied in annealed condition is workable and will undergo final heat treatment to achieve the mechanical properties and hardness level required by the specific application it is destined to: from cutlery for home and profesionals kitchens to surgical instruments, and from mechanical components (such as camshafts, flanges and valves) to disk brakes, our martensitic range was designed to meet any client\u2019s needs.<\/p>\n<p><strong>Versatility is one of the outstanding features of our range of martensitic steel grades:<\/strong> from highly aesthetic applications such as exclusive cutlery \u2013 where beauty must meet top performance in terms of hardness and wear resistance \u2013 to applications where functionality is king, such as valves, disk brakes and so on.<\/p>\n<p>All of Acciai Speciali Terni\u2019s martensitic grades also feature <strong>good resistance to corrosion and are suitable for contact with food.<\/strong><\/p>\n<\/div><\/section>\n<div  class='hr av-1r8u7yg-06de8308f68c8ae836406e04cde8caa4 hr-default  avia-builder-el-13  el_after_av_textblock  el_before_av_two_third  '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1q1bef9-4add74b73708b47ef6c291e5548ad800\">\n.flex_column.av-1q1bef9-4add74b73708b47ef6c291e5548ad800{\nborder-radius:0px 0px 0px 0px;\n-webkit-border-radius:0px 0px 0px 0px;\n-moz-border-radius:0px 0px 0px 0px;\n}\n<\/style>\n<div class='flex_column av-1q1bef9-4add74b73708b47ef6c291e5548ad800 av_two_third  avia-builder-el-14  el_after_av_hr  el_before_av_tab_container  first flex_column_div av-zero-column-padding '   ><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '  style='font-size:22px; '  itemprop=\"text\" ><p><strong>MAIN TECHNICAL CHARACTERISTICS<br \/>\n<\/strong><\/p>\n<\/div><\/section><\/div>\n<div  class=\"tabcontainer   top_tab   avia-builder-el-16  el_after_av_two_third  el_before_av_hr \" role=\"tablist\">\n\n<section class=\"av_tab_section\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div aria-controls=\"tab-id-1-content\" role=\"tab\" tabindex=\"0\" data-fake-id=\"#tab-id-1\" class=\"tab active_tab\"  itemprop=\"headline\" ><b>CHEMICAL PROPERTIES<\/b><\/div>\n<div id=\"tab-id-1-content\" class=\"tab_content active_tab_content\" aria-hidden=\"false\">\n<div class=\"tab_inner_content invers-color\"  itemprop=\"text\" >\n<table class=\"tabella_austenitici\" style=\"text-align: center; display: block; overflow-x: auto; width: 100%;\">\n<colgroup width=\"1500\"> <\/colgroup>\n<tbody>\n<tr>\n<td style=\"background: #8b9bb9; color: #ffffff; text-align: center; !important; font-size: 14px; font-weight: bold; padding-left: 10px; width: 30%; height: 43px;\">ELEMENTS (%)<\/td>\n<td style=\"background: #8b9bb9 none repeat scroll 0% 0%; color: #ffffff; text-align: center; font-size: 14px; font-weight: bold; width: 10.1093%;\">C<\/td>\n<td style=\"background: #8b9bb9 none repeat scroll 0% 0%; color: #ffffff; text-align: center; font-size: 14px; font-weight: bold; width: 10.1093%;\">Cr<\/td>\n<td style=\"background: #8b9bb9 none repeat scroll 0% 0%; color: #ffffff; text-align: center; font-size: 14px; font-weight: bold; width: 10.1093%;\">Ni<\/td>\n<td style=\"background: #8b9bb9 none repeat scroll 0% 0%; color: #ffffff; text-align: center; font-size: 14px; font-weight: bold; width: 10.1093%;\">Mo<\/td>\n<td style=\"background: #8b9bb9 none repeat scroll 0% 0%; color: #ffffff; text-align: center; font-size: 14px; font-weight: bold; width: 10.1093%;\">Others<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 30%;\"><strong>420A AST<\/strong><br \/>\ntypical values<\/td>\n<td style=\"width: 10.1093%;\">0,21<\/td>\n<td style=\"width: 10.1093%;\">13,2<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 30%;\"><strong>420J2 AST<\/strong><br \/>\ntypical values<\/td>\n<td style=\"width: 10.1093%;\">0,32<\/td>\n<td style=\"width: 10.1093%;\">13,2<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 30%;\"><strong>420 AST<\/strong><br \/>\ntypical values<\/td>\n<td style=\"width: 10.1093%;\">0,46<\/td>\n<td style=\"width: 10.1093%;\">13,2<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<td style=\"width: 10.1093%;\">&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"av_tab_section\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div aria-controls=\"tab-id-2-content\" role=\"tab\" tabindex=\"0\" data-fake-id=\"#tab-id-2\" class=\"tab \"  itemprop=\"headline\" ><b>MECHANICAL PROPERTIES<\/b><\/div>\n<div id=\"tab-id-2-content\" class=\"tab_content \" aria-hidden=\"true\">\n<div class=\"tab_inner_content invers-color\"  itemprop=\"text\" >\n<table class=\"tabella_austenitici\" style=\"text-align: center; display: block; overflow-x: auto; width: 100%;\">\n<colgroup width=\"1500\"> <\/colgroup>\n<tbody>\n<tr>\n<td style=\"background: #8b9bb9; color: #ffffff; text-align: center; !important; font-size: 14px; font-weight: bold; padding-left: 10px; width: 40%; height: 43px;\">STAINLESS STEEL<\/td>\n<td style=\"background: #8b9bb9; color: #ffffff; text-align: center; !important; font-size: 14px; font-weight: bold; width: 15%;\">R<sub>p0,2%<\/sub> (MPa)<\/td>\n<td style=\"background: #8b9bb9; color: #ffffff; text-align: center; !important; font-size: 14px; font-weight: bold; width: 15%;\">R<sub>m<\/sub> (MPa)<\/td>\n<td style=\"background: #8b9bb9; color: #ffffff; text-align: center; !important; font-size: 14px; font-weight: bold; width: 15%;\">A(%)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 40%;\"><strong>420A AST<\/strong><br \/>\ntypical values<\/td>\n<td style=\"width: 15%;\">360<\/td>\n<td style=\"width: 15%;\">590<\/td>\n<td style=\"width: 15%;\">26<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 40%;\"><strong>420J2 AST<\/strong><br \/>\ntypical values<\/td>\n<td style=\"width: 15%;\">360<\/td>\n<td style=\"width: 15%;\">650<\/td>\n<td style=\"width: 15%;\">23<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 40%;\"><strong>420 AST<\/strong><br \/>\ntypical values<\/td>\n<td style=\"width: 15%;\">400<\/td>\n<td style=\"width: 15%;\">700<\/td>\n<td style=\"width: 15%;\">19<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"av_tab_section\"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div aria-controls=\"tab-id-3-content\" role=\"tab\" tabindex=\"0\" data-fake-id=\"#tab-id-3\" class=\"tab \"  itemprop=\"headline\" ><b>QUENCHING AND TEMPERING PERFORMANCE<\/b><\/div>\n<div id=\"tab-id-3-content\" class=\"tab_content \" aria-hidden=\"true\">\n<div class=\"tab_inner_content invers-color\"  itemprop=\"text\" >\n<table class=\"tabella_austenitici\" style=\"text-align: center; display: block; overflow-x: auto; width: 100%;\">\n<colgroup width=\"1500\"> <\/colgroup>\n<tbody>\n<tr>\n<td style=\"background: #8b9bb9 none repeat scroll 0% 0%; color: #ffffff; text-align: center; font-size: 14px; font-weight: bold; padding-left: 10px; width: 40%;\" rowspan=\"2\">STAINLESS STEEL<\/td>\n<td style=\"background: #8b9bb9 none repeat scroll 0% 0%; color: #ffffff; text-align: center; font-size: 14px; font-weight: bold; width: 15%;\" colspan=\"2\">HARDNESS<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #8b9bb9; color: #ffffff; text-align: center; !important; font-size: 14px; font-weight: bold; width: 15%;\">HRC<\/td>\n<td style=\"background: #8b9bb9; color: #ffffff; text-align: center; !important; font-size: 14px; font-weight: bold; width: 15%;\">HV<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 40%;\"><strong>EN 10088-2 grado 1.4021<\/strong><br \/>\nlimit values<\/td>\n<td style=\"width: 15%;\">44-50<\/td>\n<td style=\"width: 15%;\">440-530<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 40%;\"><strong>EN 10088-2 grado 1.4028<\/strong><br \/>\nlimit values<\/td>\n<td style=\"width: 15%;\">45-51<\/td>\n<td style=\"width: 15%;\">450-550<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center; width: 40%;\"><strong>EN 10088-2 grado 1.4034<\/strong><br \/>\nlimit values<\/td>\n<td style=\"width: 15%;\">49-55<\/td>\n<td style=\"width: 15%;\">510-610<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 10pt;\">Quenching at 950-1,050 \u00b0C in oil or in air; tempering at 200-350 \u00b0C (temperatures established by the standard only for grade 1.4021).<\/span><\/p>\n\n<\/div>\n<\/div>\n<\/section>\n\n<\/div>\n\n<div  class='hr av-1r8u7yg-06de8308f68c8ae836406e04cde8caa4 hr-default  avia-builder-el-17  el_after_av_tab_container  el_before_av_slideshow  '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div   data-size='no scaling'  data-lightbox_size='large'  data-animation='slide'  data-conditional_play=''  data-ids='17237,17358,17239,17359'  data-video_counter='0'  data-autoplay='true'  data-bg_slider='false'  data-slide_height=''  data-handle='av_slideshow'  data-interval='5'  data-class=' avia-builder-el-18  el_after_av_hr  el_before_av_hr  '  data-el_id=''  data-css_id=''  data-scroll_down=''  data-control_layout='av-control-default'  data-custom_markup=''  data-perma_caption=''  data-autoplay_stopper=''  data-image_attachment=''  data-min_height='0px'  data-lazy_loading='disabled'  data-img_scrset=''  class='avia-slideshow avia-slideshow-1  av-control-default av-default-height-applied 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https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/420_Caracteristics-1-768x191.jpg 768w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/420_Caracteristics-1-1536x381.jpg 1536w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/420_Caracteristics-1-1500x372.jpg 1500w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/420_Caracteristics-1-705x175.jpg 705w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/11\/420_Caracteristics-1-450x112.jpg 450w\" sizes=\"(max-width: 1696px) 100vw, 1696px\" \/><\/div><\/li><li  class=' slide-2 ' ><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" class=\"wp-image-17358 avia-img-lazy-loading-not-17358\"  src=\"https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02.jpg\" width=\"1696\" height=\"417\" title='420_Caracteristics-2_02' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02.jpg 1696w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02-300x74.jpg 300w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02-1030x253.jpg 1030w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02-768x189.jpg 768w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02-1536x378.jpg 1536w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02-1500x369.jpg 1500w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02-705x173.jpg 705w, https:\/\/www.acciaiterni.it\/wp-content\/uploads\/2020\/12\/420_Caracteristics-2_02-450x111.jpg 450w\" sizes=\"(max-width: 1696px) 100vw, 1696px\" \/><\/div><\/li><li  class=' slide-3 ' ><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" 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class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><p style=\"text-align: center;\">Copyright \u00ae 2020 by Acciai Speciali Terni | Acciai Speciali Terni S.p.A.<br \/>\ncon Unico Socio P.IVA 00715760559<\/p>\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-17202","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>420-A-J2 - Acciai Speciali Terni<\/title>\n<meta name=\"description\" content=\"Martensitic stainless steel grades (420A, 420J2, 420) offer exceptional hardness level and excellent wear resistance: they are ideal to meet customers\u2019 needs in a 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